Can you lose belly fat by walking on a treadmill every day?

Yes, walking on a treadmill every day can reduce belly fat — but only when it creates enough of a calorie deficit, consistently, over weeks and months. Daily walking is one piece of that equation, not a shortcut.

Walking on a treadmill burns calories, and sustained calorie deficits lead to fat loss across the body — including the abdomen. You can't spot-reduce belly fat specifically, but daily treadmill walking does contribute to overall fat loss, and visceral fat (the deeper abdominal fat linked to health risk) responds well to consistent low-to-moderate intensity cardio. A 30-minute walk at 3 mph burns roughly 130–150 calories for a 155 lb person — meaningful when it stacks up daily.

• Calorie burn estimate: 30 minutes of treadmill walking at 3 mph burns approximately 130–150 calories for a 155 lb person.
• Incline impact: a 10% treadmill incline increases calorie burn by roughly 25–40% compared to flat walking at the same speed.
• Fat loss timeline: consistent daily walking typically produces measurable body composition changes over 8–12 weeks minimum.
• Recommended daily walking duration for fat loss: 30–60 minutes at a moderate pace, most days of the week.